842911329 has 12 divisors (see below), whose sum is σ = 1216985136. Its totient is φ = 518714352.

The previous prime is 842911261. The next prime is 842911331. The reversal of 842911329 is 923119248.

It is not a de Polignac number, because 842911329 - 2⁸ = 842911073 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (842911339) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 830767 + ... + 831780.

It is an arithmetic number, because the mean of its divisors is an integer number (101415428).

Almost surely, 2^842911329 is an apocalyptic number.

It is an amenable number.

842911329 is a deficient number, since it is larger than the sum of its proper divisors (374073807).

842911329 is a wasteful number, since it uses less digits than its factorization.

842911329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1662576 (or 1662563 counting only the distinct ones).

The product of its digits is 31104, while the sum is 39.

The square root of 842911329 is about 29032.9352460271. The cubic root of 842911329 is about 944.6275994094.

The spelling of 842911329 in words is "eight hundred forty-two million, nine hundred eleven thousand, three hundred twenty-nine".